OH OH OH CH2-H PhNMeMgBr 40% OH CH+cH溜性H-人N271% N高活性a-FN OHCHO KOH OH NO2 O PhNMeMgBr O OH + CH3 NO2 71% 40% N + O H N OH N 高活性-H 高活性-H N O O OH N O O N O O N CH2 N CH2 H OH